Seiko Prospex SPB187 SIHH these models maintain constant Bluetooth®

these models maintain constant Bluetooth® connection with a smartphone running the G-SHOCK Connected app to obtain accurate time information from an on-line time server for automatic time adjustment

Bezel: Stainless steel with ceramic bezel insert

Powering the timepiece is the OMEGA Co-Axial Master Chronometer 9904

Orange ceramic makes its long-awaited return

Seiko Prospex SPB187 SIHH these models maintain constant Bluetooth®Designed for those who treat life as the ultimate adventure, the Seiko Prospex line meets every challenge with technological excellence and style. Part of a rich legacy of innovation in high intensity timekeeping, Prospex continues to celebrate a long history of sports watch excellence with recreations and reinterpretations of landmark achievements. Specifications Caliber 6R35 21,600 vibrations per hour 24 jewels Case: Stainless steel case with super